The Dell 291M2 is an internal replacement battery for compatible Dell laptops. Its four-cell Li-Polymer design is intended for installation inside the computer, where it serves as the laptop’s power source.
With a rated voltage of 15.2 V, capacity of 4250 mAh and energy capacity of 68 Wh, it matches the 291M2 electrical configuration. Check the model number and ratings when selecting a replacement.
Listed compatible computers are Dell Inspiron 15 (7506), Inspiron 17 (7706), Precision 15 (3551), Precision 15 (3550), Latitude 14 (5401), Latitude 14 (5410), Latitude 14 (5411), Latitude 15 (5510), Latitude 15 (5511), Latitude 15 (5501) and Precision 15 (3541).